$40 Monster Open Ear AC210 Headphones,...

Updated August 8, 2026

Lot number	575
Auction	Mad Bids Brampton - Overstock, Electronic, Return Freight 46
Date	August 11, 2026 at 7:00 PM EDT
Auction house	Mad Bids Brampton
Location	Cherry Valley, Illinois

Bluetooth 5.4 Earphones Stereo Sound, Wireless Headphones 30 Hours Playback, Type-C Charging, IPX5 Waterproof Open Ear Earbuds,Black. Brand: Monster Condition: Open Box - Not Tested In Packaging?: Yes Assembly Required?: No Damaged?: No Functional?: Yes Missing Parts?: No Model: E29BK Star Rating: 0.0 Title: $40 Monster Open Ear AC210 Headphones, Bluetooth 5.4 Earphones Stereo Sound, Wireless Headphones 30 Hours Playback, Type-C Charging, IPX5 Waterproof Open Ear Earbuds,Black True Open Ear Headphones The Monster AC210 features a completely open-back design for ultimate comfort, allowing sound to embrace the ears. 360 Excellent Sound Quality The Monster AC210 Bluetooth headset uses dual powerful 12mm dynamic driver units and modified PI composite beryllium diaphragms, as well as the 30mW thrust of the DAC sound card to make the sound more three-dimensional and concrete. Resists Hearing Loss This open-back earplug avoids the most common health concerns of traditional earplugs because it never actually enters the ear. No pinching of the auricle, no pain, and no damage to hearing. Extra long battery life Up to 6 hours of listening time (up to 30 hours when combined with the charging case). These headphones also make a great Christmas or birthday gift, or a perfect gift for adults to exchange.

$40 Monster Open Ear AC210 Headphones,...

More lots in this auction

See all lots in Mad Bids Brampton - Overstock, Electronic, Return Freight 46 →